11
Troubleshooting
4
Misuse of this product may adversely affect performance, even if this product is properly functional. If any of the following
problems occurs, be sure to check the following table for possible causes before requesting service.
If you detect problems that are not listed below or the problem still persists after measures are taken, turn off the device
and contact your nearest Nikon service representative.
Problem
Causes
Measure
The diopter setting has not been adjusted
correctly.
Adjust the diopter setting correctly. (P.3)
Focus differs among the
main and secondary
observer positions.
The components with different serial
numbers are put together.
Reassemble the components with the identical
serial numbers to each other.
The arrow is outside of the view field.
Use the arrow control stick and bring the arrow
into the view field.
The arrow color selector dial is in an
intermediate position.
Turn the dial in the preferred direction as far as
it will go.
The arrow brightness control is OFF.
Turn the control clockwise.
The AC adapter is not connected.
Connect the AC adapter.
The arrow is not visible
when the pointer is used.
The lamp is burned out or no lamp is
mounted. (Only for the Y-THP Pointer
Unit)
Mount a new lamp. (P.10)
When using the pointer,
the arrow and the
specimen are not in
simultaneous focus.
The diopter setting has not been adjusted
correctly.
Adjust the diopter setting correctly. (P.3)
The arrow is blurred
when the pointer is used.
The arrow is too bright.
Turn the arrow brightness control
counterclockwise to reduce the brightness.